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Analog Devices Inc. AD4007BCPZ-RL7
- Part No.:
- AD4007BCPZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-VFDFN Exposed Pad, CSP
- Datasheet:
-
AD4007BCPZ-RL7.pdf
- Description:
- IC ADC 18BIT SAR 10LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,060
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Product details
Overview
AD4007BCPZ-RL7 from Analog Devices is a high-accuracy, 18-bit, differential successive approximation register (SAR) analog-to-digital converter optimized for precision data acquisition at 1 MSPS throughput. It features Easy Drive architecture with ≤0.5 μA input current at 1 MSPS, ±1.0 LSB INL, 100.5 dB SNR at 1 kHz, and operates from a single 1.8 V supply with 1.71 V to 5.5 V logic interface. It is used in medical instrumentation requiring low-noise, high-resolution signal digitization.
For engineers reviewing the AD4007BCPZ-RL7 datasheet, AD4007BCPZ-RL7 pinout, AD4007BCPZ-RL7 application, or AD4007BCPZ-RL7 equivalent, key selection criteria include guaranteed 18-bit no-missing-codes performance, input overvoltage clamp protection up to 50 mA, high-Z mode for simplified driver requirements, span compression for single-supply operation, and SPI/QSPI/MICROWIRE-compatible serial interface with status bit reporting.
Technical Context
The AD4007BCPZ-RL7 implements an Easy Drive SAR architecture with a long acquisition phase (790 ns at 1 MSPS), reducing input current to ≤1 μA during conversion and eliminating need for dedicated high-speed ADC drivers. Its differential input supports ±VREF range (2.4 V to 5.1 V) and includes integrated input overvoltage clamps that sink up to 50 mA while minimizing reference pin disturbance.
It uses a 3-wire or 4-wire SPI-compatible serial interface with separate VIO supply (1.71 V to 5.5 V), enabling interoperability with mixed-voltage digital hosts. Turbo mode enables full 1 MSPS throughput with ≥80 MHz SCK when VIO ≥ 2.7 V, and supports daisy-chain configuration for multi-channel systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 18-bit, guaranteed no missing codes - ensures full dynamic range utilization without code gaps in precision measurement. |
| Throughput Rate | 1 MSPS - supports accurate capture of signals up to ~10 MHz bandwidth with adequate oversampling headroom. |
| INL (Max) | ±1.0 LSB - limits absolute accuracy error to < ±3.8 ppm, critical for calibrated sensor and metrology applications. |
| SNR @ 1 kHz | 100.5 dB (VREF = 5 V) - delivers 16.7 effective bits, enabling sub-μV RMS noise floor in high-fidelity acquisition. |
| Input Current @ 1 MSPS | ≤1 μA (high-Z enabled) - reduces burden on preceding signal conditioning, allowing direct connection to low-output-impedance amplifiers or RC filters. |
| Power Dissipation @ 1 MSPS | 8–12.3 mW (depending on high-Z mode) - balances speed and efficiency for battery-powered or thermally constrained embedded systems. |
| Operating Temperature | −40°C to +125°C - qualified for industrial and automotive under-hood environments without derating. |
Pinout & Package
The AD4007BCPZ-RL7 is housed in a 10-lead, 3 mm × 3 mm LFCSP package with exposed pad for thermal enhancement and grounding. Pin assignments are validated per Analog Devices' AD4003/AD4007/AD4011 Rev. D datasheet (Page 10, Figure 10).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN+ | Differential analog input positive | Accepts voltage relative to IN−; supports ±VREF range and internal overvoltage clamp up to 5.4 V (VREF = 5 V). |
| IN− | Differential analog input negative | Completes differential pair; common-mode range centered at VREF/2 ±125 mV for optimal CMRR. |
| VDD | Analog core supply | 1.71 V to 1.89 V single supply; powers SAR core and reference buffer; contributes ~9.5 mW at 1 MSPS (high-Z disabled). |
| VIO | Digital I/O supply | 1.71 V to 5.5 V logic interface supply; enables level-shifting compatibility with FPGA, MCU, or isolated digital hosts. |
| REF | Reference voltage input | Accepts external 2.4 V to 5.1 V reference; draws 0.5 mA at 1 MSPS; decoupling with 10 µF required per datasheet. |
| GND | Analog ground | Primary analog return; must be separated from digital ground and connected to exposed pad for optimal noise immunity. |
| SDO | Serial data output | 18-bit twos-complement MSB-first output; tri-state capable; valid within 7.5 ns of SCK falling edge (VIO > 2.7 V). |
| SCK | Serial clock input | Supports up to 100 MHz in turbo mode; 50% duty cycle required; timing-critical for achieving 1 MSPS throughput. |
| CNV | Conversion start input | Edge-triggered command; rising edge initiates sampling; minimum pulse width 10 ns; controls quiet time before SCK. |
| SDI | Serial data input | Configures status bit reporting, turbo mode, and high-Z enable via write to control register; setup/hold times ≤2 ns. |
Key Features
| Feature | Design Value |
|---|---|
| Easy Drive input architecture | Reduces input current to ≤1 μA at 1 MSPS and extends acquisition phase to 790 ns, enabling direct drive from low-power op amps without external buffers. |
| Input overvoltage clamp | Sinks up to 50 mA per input while limiting REF pin disturbance - eliminates need for external Schottky diodes and simplifies front-end protection. |
| Span compression | Shifts input range to 0.1×VREF to 0.9×VREF, allowing single-supply operation without negative rail while preserving full 18-bit code range. |
| Oversampled dynamic range | 125 dB at OSR = 256 - enhances resolution for low-frequency DC or slow-slewing signals without increasing base sampling rate. |
| Status bit reporting | 6-bit status word (including busy, overrange, and CRC) transmitted with conversion data - enables real-time fault detection without polling. |
Applications
| Medical Patient Monitoring | Industrial PLC Analog Input Modules |
|---|---|
|
Use Scenario: Digitizing ECG, EEG, and pressure transducer outputs in portable diagnostic devices with strict power and size constraints. IC Role / Device Role / Timing Role: Precision front-end ADC capturing low-amplitude, low-frequency biomedical signals with minimal added noise or latency. Use Value: 100.5 dB SNR and 18-bit no-missing-codes performance ensure accurate waveform morphology; 1.8 V single supply and 8 mW power enable >24-hour battery life in handheld units. |
Use Scenario: High-density analog input channels in modular programmable logic controllers handling 4–20 mA and ±10 V sensor signals across factory floors. IC Role / Device Role / Timing Role: Channelized SAR ADC providing synchronized, isolated sampling for multi-sensor feedback loops in motion control and process automation. Use Value: Input overvoltage clamp protects against field wiring faults; SPI daisy-chain support reduces digital routing complexity; −40°C to +125°C rating ensures reliability in unconditioned enclosures. |
| Precision Test & Measurement Equipment | Battery-Powered Portable Data Loggers |
|
Use Scenario: High-accuracy voltage/current measurement in benchtop multimeters and automated test equipment requiring traceable calibration. IC Role / Device Role / Timing Role: Metrology-grade ADC delivering stable DC accuracy and low THD (−123 dB at 1 kHz) for reference-grade signal analysis. Use Value: ±1.0 LSB INL and 0.21 ppm/°C zero-error drift minimize calibration frequency; oversampling modes improve effective resolution beyond 18 bits for DC measurements. |
Use Scenario: Long-term environmental monitoring using solar-charged sensors logging temperature, humidity, and gas concentration in remote locations. IC Role / Device Role / Timing Role: Low-power, high-resolution ADC operating intermittently at 10 kSPS to extend battery life while maintaining fidelity for post-processing. Use Value: 80 μW power at 10 kSPS and standby current of 1.6 μA enable multi-year deployment; 1.8 V operation matches Li-ion/LiPo cell discharge curves. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-accuracy SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD4003BCPZ-RL7 | 2 MSPS throughput, shorter acquisition phase (290 ns), higher power (16 mW at 2 MSPS), identical pinout and feature set. | Better suited for higher-bandwidth applications like ultrasonic imaging or fast transient capture where speed outweighs power budget. | Select AD4003BCPZ-RL7 only if system requires >1 MSPS sampling; AD4007BCPZ-RL7 offers superior power efficiency at 1 MSPS with longer acquisition window. |
| AD4011BCPZ-RL7 | 500 kSPS throughput, longest acquisition phase (1790 ns), lowest power (2.4 mW VDD-only at 500 kSPS), same package and interface. | Optimized for ultra-low-power, high-precision DC or low-frequency AC measurements where throughput is secondary to energy efficiency. | Choose AD4011BCPZ-RL7 for battery-operated sensors sampling below 500 kSPS; AD4007BCPZ-RL7 provides optimal balance of speed, accuracy, and power for 1 MSPS use cases. |
Compared with AD4003BCPZ-RL7 and AD4011BCPZ-RL7, the AD4007BCPZ-RL7 delivers the most efficient 1 MSPS operation in the family-offering 790 ns acquisition time for robust signal settling, 8–12.3 mW total power, and identical pin compatibility-making it the preferred choice for mid-speed precision acquisition where neither maximum speed nor minimum power is the sole priority.
Availability
AD4007BCPZ-RL7 is available at Aetrix Electronics and suitable for medical instrumentation, industrial PLC analog input modules, precision test equipment, battery-powered data loggers, and automated test systems requiring stable component supply across extended production lifecycles.
Supply support for AD4007BCPZ-RL7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design and manufacturing expertise spanning precision conversion, power management, and RF technologies.
The AD4007BCPZ-RL7 belongs to Analog Devices' Easy Drive SAR ADC product line, engineered specifically for high-channel-density, low-power, precision data acquisition systems where driver simplification, input protection, and single-supply operation are critical design requirements.
FAQ
What is the maximum achievable throughput for AD4007BCPZ-RL7 in standard SPI mode?
The AD4007BCPZ-RL7 achieves 1 MSPS throughput in both 3-wire and 4-wire SPI modes when turbo mode is enabled and SCK frequency is ≥80 MHz (VIO < 2.7 V) or ≥100 MHz (VIO ≥ 2.7 V). Without turbo mode, maximum throughput drops to ~1.62 MSPS under ideal conditions, but AD4007BCPZ-RL7 is specified and characterized for reliable 1 MSPS operation - its nominal rated speed aligns precisely with this value per datasheet Table 4.
Does AD4007BCPZ-RL7 require an external driver amplifier?
No, AD4007BCPZ-RL7 does not require an external driver amplifier in most configurations due to its Easy Drive architecture. With ≤1 μA input current and a 790 ns acquisition phase at 1 MSPS, it can be driven directly by low-output-impedance sources such as precision op amps (e.g., ADA4898-1) or passive RC anti-alias filters - significantly reducing signal chain complexity and board area compared to conventional SAR ADCs.
What reference voltage range is supported by AD4007BCPZ-RL7?
The AD4007BCPZ-RL7 supports an external reference voltage (VREF) from 2.4 V to 5.1 V applied to the REF pin. At 1 MSPS, it draws 0.5 mA from the reference source. The analog input range scales accordingly: ±VREF differentially, or compressed to 0.1×VREF to 0.9×VREF when span compression is enabled - enabling flexible interface with common reference ICs like ADR45xx series.
How does the input overvoltage clamp function in AD4007BCPZ-RL7?
The AD4007BCPZ-RL7 integrates internal input overvoltage clamps on IN+ and IN− pins that activate when input voltage exceeds VREF + 0.25 V (e.g., 5.25 V at VREF = 5 V). Each clamp safely sinks up to 50 mA, protecting the ADC core and minimizing disturbance on the REF pin. This eliminates need for external protection diodes and simplifies front-end design - especially valuable in industrial field-connected systems prone to wiring faults.
Is AD4007BCPZ-RL7 pin compatible with other members of the AD400x family?
Yes, AD4007BCPZ-RL7 is pin compatible with AD4003BCPZ-RL7 and AD4011BCPZ-RL7 in the same 10-lead LFCSP package. All share identical pinout, interface protocol, and feature set - differing only in maximum throughput (2 MSPS / 1 MSPS / 500 kSPS) and corresponding acquisition/conversion timing. This allows drop-in speed scaling within the same PCB layout and firmware framework.
AD4007BCPZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 18
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- DSP, MICROWIRE™, QSPI™, and SPI™
- Configuration:
- -
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 1.71V ~ 1.89V
- Voltage - Supply, Digital:
- 1.71V ~ 5.5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 10-LFCSP-WD (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD4007BCPZ-RL7 FAQ
1.How can I place an order for AD4007BCPZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD4007BCPZ-RL7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD4007BCPZ-RL7 reliable?
The price and inventory of AD4007BCPZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD4007BCPZ-RL7 is usually 5 days.
3.What payment methods are accepted for AD4007BCPZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD4007BCPZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD4007BCPZ-RL7?
AD4007BCPZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD4007BCPZ-RL7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD4007BCPZ-RL7?
For technical support, including AD4007BCPZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD4007BCPZ-RL7 requirements.
6.How does Aetrix verify that AD4007BCPZ-RL7 is sourced from the original manufacturer or authorized distributors?
All AD4007BCPZ-RL7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD4007BCPZ-RL7 meets industry standards.
7.What is the process for return or replacement of AD4007BCPZ-RL7?
All AD4007BCPZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD4007BCPZ-RL7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD4007BCPZ-RL7 part is unused and in its original packaging.
Return procedure for AD4007BCPZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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